Freezing injury to sugar pine cones

Gilbert H. Schubert

Treesearch

Freezing injury to sugar pine cones

Informally Refereed

Authors:

Gilbert H. Schubert

Year:

1955

Type:

Research Note

Station:

Pacific Southwest Research Station

Source:

Research Note 96. Berkeley, CA: U.S. Department of Agriculture, Forest Service, California Forest and Range Experiment Station.

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Abstract

Evidence that immature sugar pine cones are killed by severe late spring freezes was observed for the first time on the Stanislaus Experimental Forest in 1954. Although extremely low temperatures previously were suspected to have destroyed young sugar pine cones, no definite instances are known to have been reported heretofore.

Citation

Schubert, Gilbert H. 1955. Freezing injury to sugar pine cones. Res. Note 96. Berkeley, CA: U.S. Department of Agriculture, Forest Service, California Forest and Range Experiment Station. 2 p.